Home / 199,263.06-274,969.28-112,061.20

Finding the Fourth Proportional to 199,263.06, 274,969.28 and 112,061.20

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Solution

The fourth proportional to 199,263.06, 274,969.28 and 112,061.20 is: 154,636.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,263.06 : 274,969.28 = 112,061.20 : x
  2. Step 2: Convert to fraction form
    199,263.06/274,969.28 = 112,061.20/x
  3. Step 3: Cross multiply
    199,263.06x = 274,969.28 × 112,061.20
  4. Step 4: Simplify right side
    199,263.06x = 30,813,386,814.88
  5. Step 5: Solve for x
    x = 30,813,386,814.88/199,263.06
  6. Step 6: Final answer
    x = 154,636.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.